package com.heima.dao.impl;

import com.heima.dao.BookDao;
import org.springframework.stereotype.Repository;

@Repository
public class BookDaoImpl implements BookDao {

    @Override
    public void save() {
        System.out.println("BookDao save...");
    }

    @Override
    public int update(int a, int b) {
        return a / b;
    }
}
